Model: 1271462-1

Helical Gear

Properties:

Body Style
Webbed, solid
Attachment Method
Mounting hole
Pitch Diameter
Between 13.8491 inches and 13.8511 inches
Teeth Quantity
153
Bore Style
Tapered second end
Mounting Hole Thread Series Designator
Unc axially through body, first end
Hardness Rating
48.0 rockwell c teeth and 54.0 rockwell c teeth
Mounting Hole Thread Size
0.375 inches axially through body, first end
Mounting Hole Type And Quantity
6 counterbored axially through body, first end and 4 plain axially through body, first end and 4 threaded axially through body, first end
Outside Diameter
14.015 inches
Teeth Type
Single helix
Tooth Form
Standard
Tooth Direction
Left
Pressure Angle
20.0000 degrees
Helix Angle
23.0000 degrees
Distance Between Body Face And Protruding Hub End
0.223 inches second end
Distance Between Body Face And Protruding Hub End
0.264 inches first end
Face Width
1.005 inches
Taper Major Diameter
4.501 inches second end
Hub Style Designator
1 step first end
Hub Style Designator
Plain second end
Hub Diameter
5.625 inches second end
End Length
0.171 inches first end
End Diameter
4.875 inches first end
First Step Length
0.093 inches first end
First Step Diameter
7.500 inches first end
Mounting Hole Diameter
0.270 inches axially through body, first end and 0.563 inches axially through body, first end
Bolt Hole Circle Diameter
6.625 inches axially through body, first end and 11.500 inches axially through body, first end and 5.062 inches axially through body, first end
Material
Steel comp 4340
Material Specification
Qq-s-624 federal specification single material response
Style Designator
Protruding hubs
NSN
3020-00-706-2172
Part Number
1271462-1
Description
Gear,helical
CAGE
55972

A gear, cylindrical in form, with teeth on the outer surface at an angle to the axis of the gear. See also gear, antibacklash, helical:

Part 1271462-1 NSN 3020-00-706-2172

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05464
FIIG:
A27300
Concept No.:
1
App. Key:
AF
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
24.0000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
197339
UFC:
96710
LTL:
65.0
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483409000
  • SITC: 74840
  • End Use: Industrial machines, other
  • NAICS: 333612
  • USDA: 1

Freight Class: Gears and gearing, other than toothed wheels, chain sprockets and other transmission elements entered separately

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